Apparatus for weaving fabrics.



B. PREIN.

APPARATUS FOR WBAVING FABRICS.

APPLICATION FILED JAN. 3, 1914.

1,098,756, Patented June 2, 1914.

\JULU-UIA PLAYUGRAPH co.. WASHINGTON. [L c,

UNITED STATES PATENT OFFICE.

EMIL PREIN, OF HANOVER, GERMANY, ASSIGNOIB- 'IO PREIN-GEWEBE ACTIEN-G-ESELLSCHAFT, OF HANOVER-LINDEN, GERMANY, A FIRM APPARATUS FOR WEAVINGFABRICS.

Application filed January 3, 1914.

To all vo /1.0m. it may concern Be it known that 1, Farm PREIN, subjectof the King of Prussia. and resident at l'lanover, in the Province ofHanover, Kingdom of Prussia, .irerman Empire, have invented a certainnew and useful i-Lpparatus tlor eavingof liabrics, of which thefollowing is a specification.

This invention relates to apparatus for the weaving of fabrics. in whichthe filaments all lie close to the yarn. During the process of weaving,there are always filaments which spread out from the yarn, as is wellknowm even when they have been previously prepared, or when the Weavingtakes place in the moist state. and this especially happens with thefilaments of the warp yarn in consequence of the mutual triction ot thefilaments during; the forming; of the shed and in conseqi'icnce of theup and-down motion of the reed blades, and also with the filan'ienls oithe weft yarn in consequence of the si'iddenly occurring cessation ofthe adhesion of the filaments duril'lp; the shootingand rapid winning;out of the yarn and also in consequence of the attraction between thematerial which is run ning out and that which remains behind. A. portionOili these filaments which are set tree are bent, folded over andpressed down in the fabric by the motion of the reed during the throwingof the weft thread and owing to the threads lying over it in theinterweaving, The filaments which still project from the fabric aresubsequently re moved by shearing and singeing machines in order torender the fabric suitable for its various purposes. But by this processnot only are a number of filaments which possess a great power ofresistance to breakage, lost for the fabric, but the interweaving of thefilaments which project and the forcible removal of the projecting;-filaments have also very serious drawbacks. The objec tion to theshearing 'is that the very sharp knives operating at a great speed notonly shear oil the projecting filaments but also, any knots and threadswhich stick out and cut them clean away which is at first not noticed asdamage and is only discovered on the application of tests for strength,whereupon one and the same fabric will give uneven results. With thesingeing process, the repeated sudden heat makes all the woven filamentsespecially the unicellu- Specifieation of Letters Patent.

Patented Jun e 2, 191.4.

sci-m1 No. 810,190.

lar cotton filaments brittle. It is a great drawback moreover that thebent and fdlded interwoven fibers are held in the fabric with theirpower of projection unweakened. Ii

. then at a later stage, the fabric is treated for some technicalpurpose, these filaments always again occur as points escaping out ofthe fabric, because power of projection and the adhesive power of thepreparation act against each other. Also, when the bent fibers are heldduring the drying under mechanical pressure, which as is well known isefi ected in various manners in technical weaving according to theapplication of the goods, they lie only restrained but not cured. Theyhereafter also gradually free themselves from the bedding by reason ofthe various movements of the material, the alternative effects oftemperature and of unequal wear, whereby much damage is caused.

The object of the present invention is a mechanism, which is intended toobviate the above mentioned drawbacks. By means or. this meclulnism, thewarp threads are smoothed fiat immediately at the weaving point by asuitable means in the moist condition in such a way, that theprojecting, fibers are arranged lengthwise against the threads, and arewoven into the fabric in this position. Moreover, it is of especialimportance that the application of the fibers to the yarn should takeplace just there and at that moment when forces tending to release thefibers can no longer act upon the threads. As a suitable material forthe moistcning body, a rubber sponge is preferably made use of.

The invention comprises an arrangement, whereby the support for themoistcnin; body is attached to the loom lay so as to be capable ofmoving up and down and participate in its to-and-fro motion. The deviceitself can be constructed in various forms.

Tn the accompanying drawing one of these forms illustrated astllows:-Figure 1 shows a vertical section through the part of the loomin question, together with the moistening device.

The drawing shows the frame of the moistening body and the mechanism formoving it, when the lay is in its rear posi tion. Fig. :2 shows atransverse section through the liquid container looking toward.

the support of the moistening body. Fig. 3 shows a transverse sectionthrough the moistening apparatus on an enlarged scale.

In these figures (4 indicates the lay sword, I) the lay, 0 the reed, (Zthe breast plate of the loom. The warp threads are indicated by a andthe finished fabric by 0.

In contradistinction from other arrangements in this invention theliquid container 6 is not made to move up and down with regard to thepart 6 but is fixed to it, and only the moistening body proper containedin the receptacle together with its holder in the outer receptacle is tobe moved down and it dips more or less deeply into the liquid con tainedin the outer receptacle. The guidance of the dipping part can beeffected for instance by means of levers and rods under the influence ofan eccentric or a cam disk or a guiding slide or the like. The holder inthe shape of a vessel carrying the 1noistening body is provided withperforated walls so that the liquid can penetrate into the moisteningbody. The supply of the liquid is effected by means of a flexible tubepassing from a reservoir.

The moistening body S rests in a receptacle 1 perforated throughout itsentire length, which receptacle is preferably provided at the bottomwith a strengthening rib 2 for the purpose of giving the necessaryrigidity. The holder Z is moved up and down in the outer receptacle 6which incloses it on all sides, and which possesses above only a longslot for the passage of the moistening body S. For the better guidanceof the holder Z in the receptacle 6 there are provided at the upperedges of the holder on each side reinforced bars 3 which have cavities 4for the passage of the liquid when the holder is dipped in. Thesecavities are illustrated in Fig. 2 in elevation, in Fig. 3 in crosssect-ion. In the raised position the bars 3 are resting against therecurved edges 5 of the receptacle 6, which serve as closing bars forthe cut out bars 3. During the application of the bars 3 to the bars 5no liquid can escape through the openings l outward. The motion of themoistening body and of its holder Z is effected by rods 6 placed at bothends, which either pass through openings in the bottom of 6 madewatertight, or as shown in the drawing can be caused to descend fromabove over the edge of e, to the holder Z. The rods 6 are moreoverpreferably also held by holders 7 which are fixed to the part b. Themotion of the bars 8 can be effected by any desired means from the loom.The simplest method of arranging the motion is by means of two slidingguides 8 at each side of the loom, in which rollers 9 fastened to theends of the bars are guided. The guides 8 can according to theconstruction of the loom be placed on some suitable fixed part thereof.The sup ply of fresh liquid to the receptacle 6 is effected through anopening 10, which is connected by a flexible tube with the containerplaced outside.

Having now described my invention and in what manner the same is to beused what I claim and desire to secure, is:

1. Apparatus for the production of fabrics in which the warp threads arekept smooth at the weaving point, comprising a liquid container securedto the lay and having recurved edges at its top a moistening body holderin said container having lateral projections adapted to engage againstthe under side of said recurved edges and provided with apertures andmeans to reciprocate said holder vertically in said container, asspecified.

2. Apparatus for the production of fabrics in which the warp threads arekept smooth at the weaving point, comprising a liquid container securedto the lay and having recurved edges at its top, a moistening bodyholder in said container having lateral projections adapted to engageagainst the under side of said recurved edges and provided withapertures, a rod having a guide roller on its lower end and extendingupward and being bent over is secured to said holder to verticallyreciprocate said holder in the container, as herein set forth.

In testimony, whereof I have signed my name to this specification in thepresence of two subscril'iing witnesses.

EMIL PREIN.

lVitnesses T. HENRY REED, PAUL ERNSTING.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. C.

